<?php

    /**
     * Redux Framework is free software: you can redistribute it and/or modify
     * it under the terms of the GNU General Public License as published by
     * the Free Software Foundation, either version 2 of the License, or
     * any later version.
     * Redux Framework is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     * GNU General Public License for more details.
     * You should have received a copy of the GNU General Public License
     * along with Redux Framework. If not, see <http://www.gnu.org/licenses/>.
     *
     * @package     ReduxFramework
     * @subpackage  Field_Media
     * @author      Daniel J Griffiths (Ghost1227)
     * @author      Dovy Paukstys
     * @version     3.0.0
     */

// Exit if accessed directly
    if ( ! defined( 'ABSPATH' ) ) {
        exit;
    }

// Don't duplicate me!
    if ( ! class_exists( 'ReduxFramework_media' ) ) {

        /**
         * Main ReduxFramework_media class
         *
         * @since       1.0.0
         */
        class ReduxFramework_media {

            /**
             * Field Constructor.
             * Required - must call the parent constructor, then assign field and value to vars, and obviously call the render field function
             *
             * @since       1.0.0
             * @access      public
             * @return      void
             */
            function __construct( $field = array(), $value = '', $parent ) {
                $this->parent = $parent;
                $this->field  = $field;
                $this->value  = $value;
            }

            /**
             * Field Render Function.
             * Takes the vars and outputs the HTML for the field in the settings
             *
             * @since       1.0.0
             * @access      public
             * @return      void
             */
            public function render() {

                // No errors please
                $defaults = array(
                    'id'        => '',
                    'url'       => '',
                    'width'     => '',
                    'height'    => '',
                    'thumbnail' => '',
                );

                $this->value = wp_parse_args( $this->value, $defaults );

                if ( ! isset( $this->field['mode'] ) ) {
                    $this->field['mode'] = "image";
                }

                if ( empty( $this->value ) && ! empty( $this->field['default'] ) ) { // If there are standard values and value is empty
                    if ( is_array( $this->field['default'] ) ) {
                        if ( ! empty( $this->field['default']['id'] ) ) {
                            $this->value['id'] = $this->field['default']['id'];
                        }

                        if ( ! empty( $this->field['default']['url'] ) ) {
                            $this->value['url'] = $this->field['default']['url'];
                        }
                    } else {
                        if ( is_numeric( $this->field['default'] ) ) { // Check if it's an attachment ID
                            $this->value['id'] = $this->field['default'];
                        } else { // Must be a URL
                            $this->value['url'] = $this->field['default'];
                        }
                    }
                }


                if ( empty( $this->value['url'] ) && ! empty( $this->value['id'] ) ) {
                    $img                   = wp_get_attachment_image_src( $this->value['id'], 'full' );
                    $this->value['url']    = $img[0];
                    $this->value['width']  = $img[1];
                    $this->value['height'] = $img[2];
                }

                $hide = 'hide ';

                if ( ( isset( $this->field['preview'] ) && $this->field['preview'] === false ) ) {
                    $this->field['class'] .= " noPreview";
                }

                if ( ( ! empty( $this->field['url'] ) && $this->field['url'] === true ) || isset( $this->field['preview'] ) && $this->field['preview'] === false ) {
                    $hide = '';
                }

                $placeholder = isset( $this->field['placeholder'] ) ? $this->field['placeholder'] : __( 'No media selected', 'redux-framework' );

                $readOnly = ' readonly="readonly"';
                if ( isset( $this->field['readonly'] ) && $this->field['readonly'] === false ) {
                    $readOnly = '';
                }

                echo '<input placeholder="' . $placeholder . '" type="text" class="' . $hide . 'upload regular-text ' . $this->field['class'] . '" name="' . $this->field['name'] . '[url]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][url]" value="' . $this->value['url'] . '"' . $readOnly . '/>';
                echo '<input type="hidden" class="upload-id ' . $this->field['class'] . '" name="' . $this->field['name'] . '[id]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][id]" value="' . $this->value['id'] . '" />';
                echo '<input type="hidden" class="upload-height" name="' . $this->field['name'] . '[height]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][height]" value="' . $this->value['height'] . '" />';
                echo '<input type="hidden" class="upload-width" name="' . $this->field['name'] . '[width]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][width]" value="' . $this->value['width'] . '" />';
                echo '<input type="hidden" class="upload-thumbnail" name="' . $this->field['name'] . '[thumbnail]' . $this->field['name_suffix'] . '" id="' . $this->parent->args['opt_name'] . '[' . $this->field['id'] . '][thumbnail]" value="' . $this->value['thumbnail'] . '" />';

                //Preview
                $hide = '';

                if ( ( isset( $this->field['preview'] ) && $this->field['preview'] === false ) || empty( $this->value['url'] ) ) {
                    $hide = 'hide ';
                }

                if ( empty( $this->value['thumbnail'] ) && ! empty( $this->value['url'] ) ) { // Just in case
                    if ( ! empty( $this->value['id'] ) ) {
                        $image                    = wp_get_attachment_image_src( $this->value['id'], array(
                                150,
                                150
                            ) );
                        $this->value['thumbnail'] = $image[0];
                    } else {
                        $this->value['thumbnail'] = $this->value['url'];
                    }
                }

                echo '<div class="' . $hide . 'screenshot">';
                echo '<a class="of-uploaded-image" href="' . $this->value['url'] . '" target="_blank">';
                echo '<img class="redux-option-image" id="image_' . $this->field['id'] . '" src="' . $this->value['thumbnail'] . '" alt="" target="_blank" rel="external" />';
                echo '</a>';
                echo '</div>';

                //Upload controls DIV
                echo '<div class="upload_button_div">';

                //If the user has WP3.5+ show upload/remove button
                echo '<span class="button media_upload_button" id="' . $this->field['id'] . '-media">' . __( 'Upload', 'redux-framework' ) . '</span>';

                $hide = '';
                if ( empty( $this->value['url'] ) || $this->value['url'] == '' ) {
                    $hide = ' hide';
                }

                echo '<span class="button remove-image' . $hide . '" id="reset_' . $this->field['id'] . '" rel="' . $this->field['id'] . '">' . __( 'Remove', 'redux-framework' ) . '</span>';

                echo '</div>';
            }

            /**
             * Functions to pass data from the PHP to the JS at render time.
             *
             * @return array Params to be saved as a javascript object accessable to the UI.
             * @since  Redux_Framework 3.1.1
             */
            function localize( $field, $value = "" ) {
                $params = array();

                if ( ! isset( $field['mode'] ) ) {
                    $field['mode'] = "image";
                }

                $params['mode'] = $field['mode'];

                if ( empty( $value ) && isset( $this->value ) ) {
                    $value = $this->value;
                }

                $params['val'] = $value;

                return $params;
            }

            /**
             * Enqueue Function.
             * If this field requires any scripts, or css define this function and register/enqueue the scripts/css
             *
             * @since       1.0.0
             * @access      public
             * @return      void
             */
            public function enqueue() {

                wp_enqueue_script(
                    'redux-field-media-js',
                    ReduxFramework::$_url . 'assets/js/media/media' . Redux_Functions::isMin() . '.js',
                    array( 'jquery', 'redux-js' ),
                    time(),
                    true
                );

                wp_enqueue_style(
                    'redux-field-media-css',
                    ReduxFramework::$_url . 'inc/fields/media/field_media.css',
                    time(),
                    true
                );
            }
        }
    }
